User's Manual

Page 9 of 10
Issuer: IWT, Inc. Doc. Num.: 6650-11-0040 Rev: A
Revised: Dec 15, 2011
Approval:
Step4: Return to the unit to the original position so that the antenna is facing up. Maintain this
position unit the LED begins flashing short pulses at 500ms intervals. This indicates the unit is
transmitting.
ANTENNA
LED
Toward You
ANTENNA
Toward You
ANTENNA
Toward You
ANTENNA
LED
Toward You
STEP1 STEP2 STEP3 STEP4
FIGURE 3: TURNING THE SENTINEL BEACON ON
6.1.3 Sentinel Beacon Enclosure Placement
Locate a place to mount the Sentinel Beacon enclosure. Use the enclosure’s magnetic mounting
feet to mount the Beacon to a roof bolt plate (or other acceptable location). The Sentinel Beacon
should be mounted with the antenna disk in a horizontal orientation such that the antenna and the
LED are facing away from the roof or other horizontal mounting surface.
In areas of the mine where magnets are not permitted (per MSHA PIB 09-36), cable ties may be
used to mount the Sentinel Beacon.
6.2 Installations Above Ground
At each of the sites determined by the survey described in 5.1:
6.2.1 Sentinel Beacon Installation Instructions
Follow installation instructions of 6.1. Equipment above ground should be located so as not to
present a safety hazard or cause damage. Secure all equipment using the proper hardware.
Follow all FCC guidelines listed in Section 2.0.